31 entries under casual topic. ×
| extempore(adjective, adverb, free, spontaneous) | |
| offhand(adjective, adverb, free, informal) | |
| unprepared(adjective, free, informal, snap) | |
| unpremeditated(adjective, free, informal, snap) | |
| unplanned(adjective, free, informal, unprepared) | |
| unstudied(adjective, free, informal, unprepared) | |
| extemporary(adjective, free, spontaneous, unprepared) | |
| by ear(expression, adjective, free, informal) | |
| improviso(adjective, free, informal, mock) | |
| snap(adjective, free, informal, unprepared) | |
| spur-of-the-moment(adjective, free, informal, snap) | |
| ad hoc(expression, adjective, free, informal) | |
| improv(verb, adjective, adverb, free, informal) | |
| makeshift(adjective, adverb, free, informal) | |
| off the top of head(expression, idiom, free, informal) | |
| tossed off(expression, adjective, free, create, informal) | |
| at first glance(expression, idiom, free, informal) | |
| automatic(adjective, free, informal, unprepared) | |
| expedient(adjective, free, informal, snap) | |
| free(adjective, informal, spontaneous, unprepared) |
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| APA | Smart Define. (2015). ad lib thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/ad_lib/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "ad lib thesaurus" https://smartdefine.org/ad_lib/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, ad lib thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/ad_lib/thesaurus/synonyms>. |
| MLA | Smart Define. "ad lib thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/ad_lib/thesaurus/synonyms> |